LustraSilk Moisture MAX Keratin Amino Acid Leave In Creme Conditioner. Enhanced with Keratin Protein. Refreshes Dry, Damaged Hair. Strengthens and Repairs. Moisture MAX Leave-In Crème Conditioner is a MUST for those who want a last chance for extra moisture before drying and styling. Keratin Protein and Deionized Water combine to penetrate the hair follicle and restore vital moisture and shine to all dry, damaged hair types and textures. Formulated to smooth and seal while detangling, this leave-in conditioner will provide you with exceptionally moisturized hair while helping to reduce breakage.